Where do these graded prices come from?

Medians of 18 real eBay completed sales aggregated per grade (PSA, BGS, CGC) — a completed-sale evidence layer, not listing asks. Sample sizes are shown per grade; thin grades deserve caution.

Is grading M Mawile EX worth it?

Compare the graded medians below against the raw reference price of $31.44 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 18 completed sales

M Mawile EX graded prices.

As of August 21, 2026, M Mawile EX (XY Black Star Promos #XY104) trades across the graded ladder below, based on 18 real eBay completed sales; the raw copy’s reference price is $31.44.

Across XY Black Star Promos, PSA 10 copies sell for 60.0× their raw reference price on average (52 cards, 912 PSA 10 completed sales tracked).

As of August 21, 2026Raw price & chart →Grading ROI calculator →

PSA · M Mawile EX

Grade	Median	Sales	vs Raw
Mint 9	$149.90	5	4.8×
EX 5	$19.99	3	0.6×

Medians of real eBay completed sales per grade; small sample sizes deserve caution. Prices are dated reference values — cite them with the as-of date above. Attribution: CardIntel (cardintel.io). See the methodology.